def _create_connection(self, type):
transport = TTornadoStreamTransport(self.__host, self.__port)
pfactory = TBinaryProtocolFactory()
connection = self.__client_cls(transport, pfactory)
rpc_connection = RPCConnection(self.__host + ':' + str(self.__port) + ':' + str(self.__weight), type, connection)
try:
transport.open()
except Exception,e:
pass
